Thermopower Sign Inversion for the High Tc Superconductor YBa2Cu3O7-δ Henkie, Z. ; Markowski, P. J. ; Horyń, R. ; Bukowski, Z. ; Klamut, J. Abstract Publication: Physica Status Solidi B Basic Research Pub Date: April 1988 DOI: 10.1002/pssb.2221460247 Bibcode: 1988PSSBR.146..131H